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<div class="title">utility.hpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#ifndef _UTILITY_HPP_</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#define _UTILITY_HPP_  1</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceraft.html">raft</a></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;{</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">template</span> &lt; <span class="keyword">typename</span> A, </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;           <span class="keyword">typename</span> B &gt; <span class="keyword">using</span> common_t = <span class="keyword">typename</span> std::common_type&lt; A, B &gt;::type;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">template</span> &lt; <span class="keyword">typename</span> A, </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;           <span class="keyword">typename</span> B &gt; <span class="keyword">using</span> common_v_t = std::vector&lt; common_t&lt; A, B &gt; &gt;;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">template</span> &lt; <span class="keyword">typename</span> A,</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;           <span class="keyword">typename</span> B,</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;           <span class="keyword">typename</span> std::enable_if&lt; std::is_arithmetic&lt; A &gt;::value &gt;::type* = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;           <span class="keyword">typename</span> std::enable_if&lt; std::is_arithmetic&lt; B &gt;::value &gt;::type* = <span class="keyword">nullptr</span> &gt; </div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;common_v_t&lt; A, B &gt;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;range( <span class="keyword">const</span> A a, </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;       <span class="keyword">const</span> B b, </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;       <span class="keyword">const</span> common_t&lt; A, B &gt; delta = 1 )</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;{</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <span class="keywordflow">if</span>( a &lt; b )</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  {</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;     <span class="keyword">const</span> <span class="keyword">auto</span> cap( (b - a + delta) / delta );</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;     common_v_t&lt; A, B &gt; out( cap );</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;     <span class="keyword">auto</span> index( 0 );</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;     <span class="keywordflow">for</span>( common_t&lt; A, B &gt; i( a ); </div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      std::islessequal( i, b + delta ); i += delta, index++ )</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;     {</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        out[ index ] = i;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;     }</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;     <span class="keywordflow">return</span>( std::forward&lt; common_v_t&lt; A, B &gt; &gt;( out ) );</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  }</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  {</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;     <span class="keyword">const</span> <span class="keyword">auto</span> cap( (a - b + delta ) / delta );</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;     common_v_t&lt; A, B &gt; out( cap );</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;     <span class="keyword">auto</span> index( 0 );</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;     <span class="keywordflow">for</span>( common_t&lt; A, B &gt; i( a ); </div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;      std::isgreaterequal( i, b - delta ); i -= delta, index++ )</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;     {</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        out[ index ] = i;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;     }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;     <span class="keywordflow">return</span>( std::forward&lt; common_v_t&lt; A, B &gt; &gt;( out ) );</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  }</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;}</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;}</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* END _UTILITY_HPP_ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="namespaceraft_html"><div class="ttname"><a href="namespaceraft.html">raft</a></div><div class="ttdef"><b>Definition:</b> globalmap.cpp:3</div></div>
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